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EP 3 433 640 A1

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(43) Date of publication: 30.01.2019 Bulletin 2019/05 (21) Application number: 17714127.2 (22) Date of filing: 17.03.2017

(51) International Patent Classification (IPC):  G01T 1/20(2006.01) G01V 5/04(2006.01) G01T 1/202(2006.01) (86) International application number: PCT/US2017/022856 (87) International publication number: WO 2017/165202 (28.09.2017 Gazette 2017/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 22.03.2016 US 201615077884 (71) Applicant: GE Energy Oilfield Technology, Inc. Broussard, LA 70518 (US)	(72) Inventors: CLIMENT, Helene, Claire Sugar Land, TX 77478-4506 (US) RADI, Amin Niskayuna, NY 12309-1027 (US) (74) Representative: Lee, Brenda  GE International Inc. Global Patent Operation - Europe The Ark 201 Talgarth Road Hammersmith London W6 8BJ London W6 8BJ (GB)